Yi Ling'er is gentle, graceful, pretty and charming, with a simple personality. She believes that myths and legends are true. She is a girl who loves fantasy;
Yi Ning'er is passionate, charming, smart and capable. Although she doesn't agree with Ling'er's creed, she always protects her. She is a more realistic girl;
They have a telepathic connection and strong senses. They are twin sisters, and the door to their magical world is about to open...